Q83
P is a prime number and (P2 + 3) is also a prime number . The no. of numbers that P can assume is:
A.
3
B.
2
C.
1
AnswerD.
Can't determined
Answer: Option C
Solution
Answer: Option C
Solution:
Only, one value P can be assumed, which is at 2 at P = 2P2 + 3 = 7 which is also prime
Again at P = 3, 5, 7, 11 .......
P2 + 3 = an even number which can not be prime